It is the dried root tuber of Stemona sessilifolia (Miq.)Miq.,Stemona japonica (BI.)Miq. or Stemona tuberosa Lour.,family Stemonaleae. The root tuber is dug and collected in spring and autumn. After the fibrous roots are removed, they are washed clean and boiled for a while or steamed till the interior is not white and then they are dried in the sunshine and cut into segments. The raw or stir-baked with honey are used.
[ Medicinal Properties ]: Sweet, bitter and slightly warm; relate to lung meridian.
[ Medicinal Efficacies ]: Moisten lung and relieve cough, kill lice and worms.
[ Clinical Applications ]: 1. Acute or prolonged cough, whooping cough, cough caused by pulmonary tuberculosis For cough due to wind-cold, it is combined with Jingjie, Jiegeng and Ziwan in Zhisou Powder; for prolonged cough, it is decocted alone to thick decoction for oral adminstration; for whooping cough, it is used with Sharen, Chuanbeimu and Baiqian; for cough due to pulmonary tuberculosis, with Maidong, Shengdihuang and Shanyao.
2. Enterobiasis, head louse, body louse, scabies For enterobiasis, 30g of raw Baibu is decocted into 30ml of thick decoction, with which enema is given to patients before they sleep on five successive days; 20% alcohol extract or 50% decoction can also be applied on anus and around it. For head louse, body louse and scabies ,20% ethyl alcohol extract or 50% decoction of Baibu can be applied on the affected parts.
In addition, fresh Baibu is useful to treat urticaria, dermatitis, tinea corporis and mosquito and insect bites by applying and rubbing skin lesions with its newly-cut surface.
[ Usage and Dosage ]: 3-9g. It is used externally with appropriate dosage. The stir-baked with Honey are used to treat prolonged cough and dyspnea of deficiency type.
百部为百部科植物直立百部Stemona sessilifolia(Mig.)Mig.蔓生百部S.japonica(BL.) Miq.或对叶百部S.tuberosa Lour.的块根。主产于安徽、江苏、湖北、浙江、山东等地。春、秋二季采挖,除去须根,洗净、置沸水中略烫或蒸至无白心,取出,晒干,切厚片生用,或蜜炙用。